| article html file updated | 7 February 2020 18:00 CET | Update | https://www.mdpi.com/2075-4701/6/11/277 |
| article html file updated | 4 May 2019 22:34 CEST | Update | - |
| article html file updated | 30 November 2016 05:36 CET | Update | - |
| article html file updated | 15 November 2016 09:20 CET | Original file | - |
| article xml uploaded. | 15 November 2016 09:19 CET | Update | https://www.mdpi.com/2075-4701/6/11/277/xml |
| article xml uploaded. | 15 November 2016 09:19 CET | Original file | - |
| article pdf uploaded. | 15 November 2016 09:19 CET | Version of Record | https://www.mdpi.com/2075-4701/6/11/277/pdf |
